Collating rack



FIG. 1 is a left side elevational view of a collating rack showing my new design;

FIG. 2 is a side elevational view of the right side thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof. 

The ornamental design for a collating rack, substantially as shown and described. 